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Breeding Bird Window. Before cutting down trees a bird survey must be performed.

E nvironmental Specialists for the Construction Industry

GEMS is the ONE CALL Environmental Solutions Provider who manages all the environmental components of your construction project. Whether planned or in the event of an emergency, GEMS oversees the environmental team of specialists required to meet ALL the project components. Providing the client with ONE POINT OF CONTACT, GEMS manages the team to ensure timelines, budgets & environmental legislation are met.

Have you seen these on your construction site?

FAQs Q: When is the Breeding Bird Window? A: March 15 – July 31 ever year. Q: What does this mean? A: You cannot cut down any trees without doing a breeding bird survey to confirm the presence/absence of nests.

Q: How long does it take to do a survey? A: Surveys are performed between 6am – 8am, 24 hours prior to tree removal.

Q: What happens if there are active nests? A: You must wait until the breeding bird window is closed or fledglings have left the nest (7-18 days). *You can apply for a bird removal/relocation permit with Canadian Wildlife Services (CWS) but it is very difficult to obtain approval.

Q: What if I cut down trees with active nests? A: Project delays and fine of up to $100,000.

Let GEMS perform your Breeding Bird Surveys. GEMS can be on your site within 48 hours’ notice.

Contact GEMS Gretel Green, M.Sc. Biology, CISEC | Ecologist T: 905-907-3077 ext 213 C: 416-717-2447 E: Jill Attwood, General Manager T: 905-907-3077 ext 206 C: 416-717-3226 E:

69 Connie Crescent Concord ON, L4K 1L3

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